sampled values: add support for 64 bit integers

src/sampled_values/sv_publisher.c

@@ -220,6 +220,34 @@ encodeInt32FixedSize(int32_t value, uint8_t* buffer, int bufPos)
     return bufPos;
 }
 
+static int
+encodeInt64FixedSize(int64_t value, uint8_t* buffer, int bufPos)
+{
+    uint8_t* valueArray = (uint8_t*) &value;
+
+#if (ORDER_LITTLE_ENDIAN == 1)
+    buffer[bufPos++] = valueArray[7];
+    buffer[bufPos++] = valueArray[6];
+    buffer[bufPos++] = valueArray[5];
+    buffer[bufPos++] = valueArray[4];
+    buffer[bufPos++] = valueArray[3];
+    buffer[bufPos++] = valueArray[2];
+    buffer[bufPos++] = valueArray[1];
+    buffer[bufPos++] = valueArray[0];
+#else
+    buffer[bufPos++] = valueArray[0];
+    buffer[bufPos++] = valueArray[1];
+    buffer[bufPos++] = valueArray[2];
+    buffer[bufPos++] = valueArray[3];
+    buffer[bufPos++] = valueArray[4];
+    buffer[bufPos++] = valueArray[5];
+    buffer[bufPos++] = valueArray[6];
+    buffer[bufPos++] = valueArray[7];
+#endif
+
+    return bufPos;
+}
+
 static int
 encodeUtcTime(uint64_t timeval, uint8_t* buffer, int bufPos)
 {
@@ -508,6 +536,22 @@ SV_ASDU_setINT32(SV_ASDU self, int index, int32_t value)
     encodeInt32FixedSize(value, self->_dataBuffer, index);
 }
 
+int
+SV_ASDU_addINT64(SV_ASDU self)
+{
+    int index = self->dataSize;
+
+    self->dataSize += 8;
+
+    return index;
+}
+
+void
+SV_ASDU_setINT64(SV_ASDU self, int index, int64_t value)
+{
+    encodeInt64FixedSize(value, self->_dataBuffer, index);
+}
+
 int
 SV_ASDU_addFLOAT(SV_ASDU self)
 {
@@ -523,7 +567,6 @@ SV_ASDU_setFLOAT(SV_ASDU self, int index, float value)
 {
     uint8_t* buf = (uint8_t*) &value;
 
-
 #if (ORDER_LITTLE_ENDIAN == 1)
     BerEncoder_revertByteOrder(buf, 4);
 #endif
@@ -550,11 +593,15 @@ void
 SV_ASDU_setFLOAT64(SV_ASDU self, int index, double value)
 {
     uint8_t* buf = (uint8_t*) &value;
+
 #if (ORDER_LITTLE_ENDIAN == 1)
     BerEncoder_revertByteOrder(buf, 8);
 #endif
+
     int i;
+
     uint8_t* buffer = self->_dataBuffer + index;
+
     for (i = 0; i < 8; i++) {
         buffer[i] = buf[i];
     }

src/sampled_values/sv_publisher.h

@@ -85,6 +85,12 @@ SV_ASDU_addINT32(SV_ASDU self);
 void
 SV_ASDU_setINT32(SV_ASDU self, int index, int32_t value);
 
+int
+SV_ASDU_addINT64(SV_ASDU self);
+
+void
+SV_ASDU_setINT64(SV_ASDU self, int index, int64_t value);
+
 int
 SV_ASDU_addFLOAT(SV_ASDU self);
 

src/sampled_values/sv_subscriber.c

@@ -637,6 +637,20 @@ SVClientASDU_getINT32(SVClientASDU self, int index)
     return retVal;
 }
 
+int64_t
+SVClientASDU_getINT64(SVClientASDU self, int index)
+{
+    int64_t retVal = *((int64_t*) (self->dataBuffer + index));
+
+#if (ORDER_LITTLE_ENDIAN == 1)
+    uint8_t* buf = (uint8_t*) (&retVal);
+
+    BerEncoder_revertByteOrder(buf, 8);
+#endif
+
+    return retVal;
+}
+
 uint8_t
 SVClientASDU_getINT8U(SVClientASDU self, int index)
 {
@@ -673,6 +687,19 @@ SVClientASDU_getINT32U(SVClientASDU self, int index)
     return retVal;
 }
 
+uint64_t
+SVClientASDU_getINT64U(SVClientASDU self, int index)
+{
+    uint64_t retVal = *((uint64_t*) (self->dataBuffer + index));
+
+#if (ORDER_LITTLE_ENDIAN == 1)
+    uint8_t* buf = (uint8_t*) (&retVal);
+
+    BerEncoder_revertByteOrder(buf, 8);
+#endif
+
+    return retVal;
+}
 
 float
 SVClientASDU_getFLOAT32(SVClientASDU self, int index)

src/sampled_values/sv_subscriber.h

@@ -61,6 +61,7 @@ extern "C" {
  *  | INT16U         | 2 byte         |
  *  | INT24U         | 3 byte         |
  *  | INT32U         | 4 byte         |
+ *  | INT64U         | 8 byte         |
  *  | FLOAT32        | 4 byte         |
  *  | FLOAT64        | 8 byte         |
  *  | ENUMERATED     | 4 byte         |
@@ -321,6 +322,17 @@ SVClientASDU_getINT16(SVClientASDU self, int index);
 int32_t
 SVClientASDU_getINT32(SVClientASDU self, int index);
 
+/**
+ * \brief Get an INT64 data value in the data part of the ASDU
+ *
+ * \param self ASDU object instance
+ * \param index the index (byte position of the start) of the data in the data part
+ *
+ * \return SV data
+ */
+int64_t
+SVClientASDU_getINT64(SVClientASDU self, int index);
+
 /**
  * \brief Get an INT8U data value in the data part of the ASDU
  *
@@ -354,6 +366,17 @@ SVClientASDU_getINT16U(SVClientASDU self, int index);
 uint32_t
 SVClientASDU_getINT32U(SVClientASDU self, int index);
 
+/**
+ * \brief Get an INT64U data value in the data part of the ASDU
+ *
+ * \param self ASDU object instance
+ * \param index the index (byte position of the start) of the data in the data part
+ *
+ * \return SV data
+ */
+uint64_t
+SVClientASDU_getINT64U(SVClientASDU self, int index);
+
 /**
  * \brief Get an FLOAT32 data value in the data part of the ASDU
  *